Questions tagged [avvideocomposition]
80 questions
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Does a third-generation iPod Touch support video compositions?
In my project I use AVVideoComposition, it only works on iPhone 3GS and iPhone 4. On iPods and iPhone 3 it returns exception that this library is not supporting by that device, so is anybody know did the new iPod touch supports that or not?

Steve
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AVMutableVideoComposition sometimes won't play video
I'm using this short snippet to set up my video. For some unknown reason - sometimes the video simply won't show up, while for other video it'll work perfectly.
let videoTrack: AVAssetTrack = asset.tracksWithMediaType(AVMediaTypeVideo)[0]
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Roi Mulia
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Animations rendered on Videos using AVVideoCompositionCoreAnimationTool behaves differently in Devices
I am trying to put some animated layers on top of videos using the AVVideoCompositionCoreAnimationTool. The speeds of the animations rendered are not consistent across all devices, ie I am forced to use different duration/fps for…

Xcoder
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No rendering with AVMutableVideoComposition
I have 3 videos that I am sequencing using an AVMutableComposition and then playing the video using an AVPlayer and grabbing the frames using an AVPlayerItemVdeoOutput. The video sequence is as follows:
[Logo Video - n seconds][Main video - m…

Goz
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While merging audio, both the audio come linearly though I want it to overlay
So, I try to use the following code in a 'for' loop to overlay the audio, but they are coming in linearly, with the last attached audio coming in first.
[compositionAudioTrack insertTimeRange:CMTimeRangeMake(kCMTimeZero, CMTimeMake(5, 1))…

rahulg
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